heterocyclic compound

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heterocyclic compound

[‚hed·ə·rō′sī·klik ¦käm‚pau̇nd]
(organic chemistry)
Compound in which the ring structure is a combination of more than one kind of atom; for example, pyridine, C5H5N.
References in periodicals archive ?
Our approach uses the photofragmentable nitrogen-oxygen bond of a nitrogen onium salt derived from aromatic heterocycles.
Among the many species of bamboo, Moso bamboo (Phyllostachys heterocycle Milf, Phyllostachys pubescens Mazel ex H.
3:30 CONVENTIONAL STRAIN ENERGY IN SMALL HETEROCYCLES OF CARBON AND SILICON
Reaction of 5 with pyridazine generates a polycyclicaromatic hydrocarbon analog (7) in which the central heterocycle is a [C.
DAF-2, however, remains essentially nonfiuorescent until it reacts with the nitrosonium cation (produced by spontaneous oxidation of nitric oxide) to form a fluorescent heterocycle, which becomes trapped in the cell's cytoplasm (Kojima et al.
Clearly structured for easy access to the information, each chapter is devoted to a certain class of heterocycle, providing a tabular presentation of the natural products to be covered containing the particular heterocyclic ring system along with their biological profile, occurrence and most important physical properties, backed by the appropriate references.
This project seeks to address these shortcomings by developing a unified catalytic approach to these heterocycles through a fundamentally new ring synthesis mechanism.
Its main field of expertise covers the development and production of heterocycles, boronic acids, amino acids, metal catalysts and chiral compounds.
The drugs of different functionality were selected for the study, from the category of potentially difficult degradable pollutants of various structures: aromatic rings, condensed aromatic fragments or heterocycles are the structural elements for the majority of these structures.
Covalent compounds, which are strong alkylating or acylating agents, may initiate the cationic polymerization of heterocycles.
Chemists review the current state of the formation of copper-mediated carbon-heteroatom bonds and carbon-carbon bonds, and applications of copper-catalyzed cross-coupling reactions in heterocycles, natural products processes, and sustainable chemistry.
The team found that moderate shock pressures and temperatures (approximately 360,000 atmospheres of pressure and 4,600 degrees Fahrenheit) in a carbon-dioxide-rich ice mixture produced a number of nitrogen-containing heterocycles, which dissociate to form functionalized aromatic hydrocarbons upon expansion and cooling.